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Article

The Tailored CFD Package ‘containmentFOAM’ for Analysis of Containment Atmosphere Mixing, H2/CO Mitigation and Aerosol Transport

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Institute of Energy and Climate Research (IEK-6), Forschungszentrum Juelich GmbH, 52425 Juelich, Germany
2
Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai 600036, India
3
Institute for Heat and Mass Transfer (WSA), RWTH Aachen University, 52056 Aachen, Germany
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Institute of Applied Mathematics and Scientific Computing, Bundeswehr University Munich, 85577 Munich, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Thomas Höhne
Fluids 2021, 6(3), 100; https://doi.org/10.3390/fluids6030100
Received: 29 January 2021 / Revised: 24 February 2021 / Accepted: 25 February 2021 / Published: 3 March 2021
The severe reactor accident at Fukushima Daiichi Nuclear Power Plant (2011) has confirmed the need to understand the flow and transport processes of steam and combustible gases inside the containment and connected buildings. Over several years, Computational Fluid Dynamics (CFD) models, mostly based on proprietary solvers, have been developed to provide highly resolved insights; supporting the assessment of effectiveness of safety measures and possible combustion loads challenging the containment integrity. This paper summarizes the design and implementation of containmentFOAM, a tailored solver and model library based on OpenFOAM®. It is developed in support of Research & Development related to containment flows, mixing processes, pressurization, and assessment of passive safety systems. Based on preliminary separate-effect verification and validation results, an application oriented integral validation case is presented on the basis of an experiment on gas mixing and H2 mitigation by means of passive auto-catalytic recombiners in the THAI facility (Becker Technologies, Eschborn, Germany). The simulation results compare well with the experimental data and demonstrate the general applicability of containmentFOAM for technical scale analysis. Concluding the paper, the strategy for dissemination of the code and measures implemented to minimize potential user errors are outlined. View Full-Text
Keywords: containmentFOAM; CFD; containment; hydrogen safety; multispecies transport; condensation; aerosols; passive auto-catalytic recombiner; system modeling containmentFOAM; CFD; containment; hydrogen safety; multispecies transport; condensation; aerosols; passive auto-catalytic recombiner; system modeling
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MDPI and ACS Style

Kelm, S.; Kampili, M.; Liu, X.; George, A.; Schumacher, D.; Druska, C.; Struth, S.; Kuhr, A.; Ramacher, L.; Allelein, H.-J.; Prakash, K.A.; Kumar, G.V.; Cammiade, L.M.F.; Ji, R. The Tailored CFD Package ‘containmentFOAM’ for Analysis of Containment Atmosphere Mixing, H2/CO Mitigation and Aerosol Transport. Fluids 2021, 6, 100. https://doi.org/10.3390/fluids6030100

AMA Style

Kelm S, Kampili M, Liu X, George A, Schumacher D, Druska C, Struth S, Kuhr A, Ramacher L, Allelein H-J, Prakash KA, Kumar GV, Cammiade LMF, Ji R. The Tailored CFD Package ‘containmentFOAM’ for Analysis of Containment Atmosphere Mixing, H2/CO Mitigation and Aerosol Transport. Fluids. 2021; 6(3):100. https://doi.org/10.3390/fluids6030100

Chicago/Turabian Style

Kelm, Stephan, Manohar Kampili, Xiongguo Liu, Allen George, Daniel Schumacher, Claudia Druska, Stephan Struth, Astrid Kuhr, Lucian Ramacher, Hans-Josef Allelein, K. A. Prakash, G. V. Kumar, Liam M.F. Cammiade, and Ruiyun Ji. 2021. "The Tailored CFD Package ‘containmentFOAM’ for Analysis of Containment Atmosphere Mixing, H2/CO Mitigation and Aerosol Transport" Fluids 6, no. 3: 100. https://doi.org/10.3390/fluids6030100

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